Measurement and Instrumentation A spring controlled indicating instrument has a deflection of 90deg for maximum current I. The corresponding deflection for a gravity controlled instrument is 120° 30° 0° 90° 120° 30° 0° 90° ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For power measurement of three phase circuit by two wattmeter method, when the value of power factor is less than 0.5 lagging Both give the same readings Pressure coil of the wattmeter will become ineffective. One of the wattmeters will read zero One of the wattmeter connections will have to be reversed Both give the same readings Pressure coil of the wattmeter will become ineffective. One of the wattmeters will read zero One of the wattmeter connections will have to be reversed ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation It can be stated that CT operates at almost the same flux density as a PT No generalisation can be made with regard to the flux densities in CT and PT CT operates with a higher flux density than PT CT operates with considerably lower flux density than a PT CT operates at almost the same flux density as a PT No generalisation can be made with regard to the flux densities in CT and PT CT operates with a higher flux density than PT CT operates with considerably lower flux density than a PT ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following meter is most suitable for measuring radio frequency currents? Thermocouple meter. VTVM. Moving - coil meter. Moving - iron meter. Thermocouple meter. VTVM. Moving - coil meter. Moving - iron meter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a portable instrument , the controlling torque is provided by All of the listed here Eddy currents Gravity Spring All of the listed here Eddy currents Gravity Spring ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A sampling wattmeter is used to measure the average power of a load. The peak to peak voltage of a square wave is 10 V and the current is triangular wave of 5 Amp P-P as shown in the figure. The period is 20 ms. The reading in W will be 0 W. 50 W. 100 W. 25 W. 0 W. 50 W. 100 W. 25 W. ANSWER DOWNLOAD EXAMIANS APP
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